20967936705

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{349553}}^1$

素因数の和:349638

約数の個数: 48

約数和(自身を含む): 38389418496

約数和(自身を除く): 17421481791

約数列:

[1, 3, 5, 9, 15, 31, 43, 45, 93, 129, 155, 215, 279, 387, 465, 645, 1333, 1395, 1935, 3999, 6665, 11997, 19995, 59985, 349553, 1048659, 1747765, 3145977, 5243295, 10836143, 15030779, 15729885, 32508429, 45092337, 54180715, 75153895, 97525287, 135277011, 162542145, 225461685, 465954149, 487626435, 676385055, 1397862447, 2329770745, 4193587341, 6989312235, 20967936705]

約数ペア:

[(1, 20967936705), (3, 6989312235), (5, 4193587341), (9, 2329770745), (15, 1397862447), (31, 676385055), (43, 487626435), (45, 465954149), (93, 225461685), (129, 162542145), (155, 135277011), (215, 97525287), (279, 75153895), (387, 54180715), (465, 45092337), (645, 32508429), (1333, 15729885), (1395, 15030779), (1935, 10836143), (3999, 5243295), (6665, 3145977), (11997, 1747765), (19995, 1048659), (59985, 349553)]